Guillaume Le Pieux

( ? – 918), Duke of Aquitaine, Count of Mâcon from 886, and master of immense possessions in the centre and south west. He inherited a villa in Cluny and donated it in 909 to pay for his salvation, to the Saint Peter and Paul Apostles.

The future abbey, thus placed under the sole authority of the successors of Saint Peter, was entrusted to Bernon, the Benedictine Abbot of Gigny et Baume-le-messieurs (Jura).